.aoyou-loading {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 9999;
  .aoyou-loading-mask {
    position: absolute;
    top: 0;
    left: 0;
    opacity: .2;
    z-index: 1
  }
  i {
    height: 90px;
    width: 90px;
    display: block;
    background: url(../useimg/loading.gif) no-repeat center center;
    background-size: 100% 100%;
    position: absolute;
    z-index: 2
  }
}


